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Estimating Crowds

Learn crowd estimation techniques including area calculations & ratios to determine crowd size. Practice problems provided to hone your skills for estimating large gatherings. Ideal for event planners & organizers.

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Estimating Crowds

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  1. Estimating Crowds

  2. What is the largest gathering of people have you ever been involved in? How many people were involved? How do you think the event counted the people? WARM UP

  3. Estimating Crowds 5 Feet

  4. Use the previous value to estimate the size of a crowd that is 10 feet deep on both sides of the street standing along a 1-mile section of a parade route. {10 Feet {10 Feet 1 Mile = 5,280 Feet

  5. Use the previous value to estimate the size of a crowd that is 10 feet deep on both sides of the street standing along a 1-mile section of a parade route. So our ratio is ________ Area = 5,280 x 10 = 52,800 ft2 Multiply the ratio by the area: ________ x 52,800 =____________ x 2 Final Answer: ____________

  6. One rule of thumb for estimating crowds is that each person occupies 2.5 ft2. Use this rule to estimate the size of the crowd. Our ratio is The area = 52,800 ft2 x 52,800 =21,120 x 2 Final Answer: 42,240

  7. Six people fit comfortably in a 3 ft. by 3 ft. area. Use this value to estimate the size of a crowd that is 3 yards deep and 18 feet long. Our ratio is 6/9 Area = 3 yd. x 18 ft. = 9 ft. x 18 ft. (*Units are based on the ratio’s units) = 162 ft. 6/9 x 162 = 108 people

  8. Nine people fit comfortably in a 4 ft. by 4 ft. area. Use this value to estimate the size of a crowd that is 2 yards deep and 1 mile long. Our ratio is 9/16 ft. Area = 2 yd. x 1 mile. = 6 ft. x 5,280 ft. (*Units are based on the ratio’s units) = 31,680 ft. 9/16 x 31,680 = 17,820 people

  9. When the PS4 was released, the line was single file for 1 mile. If each person occupies 18 inches, how many were in the line? 1 mile = 5,280 feet 12 inches = 1 foot 5,280 x 12 = 63,360 in. 63,360 / 18 = 3,520 people

  10. Practice Problem A basketball court is 94 feet by 50 feet. Eight fans can fit next to each other in a 3 ft. by 3 ft. area. How many kids would you estimate can fit side by side over the entire floor? 94 x 50 = 4700

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